【摘要】 通过广东省清远水利枢纽工程水工模型试验,研究了消力池底板脉动压强的振幅及优势频率。试验结果显示,消力池底板脉动压强均方根最大值为8.58 k Pa,脉动压强优势频率在0.002~1.965 Hz之间,能量相对集中的频率范围均在2 Hz以下。试验研究成果为该大型枢纽的水工设计提供了重要设计参数。更多还原

【Abstract】 Through the hydraulic model test of Qingyuan Water Control Project in Guangdong,the amplitude and the dominant frequency of the fluctuating pressure on the bottom slab of the stilling pool are studied. The test result shows that the maximum root mean square value of the fluctuating pressure on the bottom slab is 8. 58 k Pa,while the dominant frequency of the fluctuating pressure is between 0. 002 ~ 1. 965 Hz and the frequency range that energy is relatively concentrated is below 2 Hz. The experimental study result provides important design parameters for the hydraulic design of the large sized project.更多还原